Item Type: Heat Sinks_x000D_ Material: Aluminum Alloy_x000D_ Colour: Black 1The integrated heat sink without burrs has a smooth appearance, comfortable to use, and smooth installation. 2The heat sink is equipped with a fan, and the upgraded bearing can ensure a large amount of wind output, and is quiet enough to better improve the heat dissipation and increase the working time. 3The heat sink is made of alloy, coated with anti corrosion paint, and the service life is greatly improved. 4With improved aluminum alloy, cool design and beautiful shell, not only lightweight, but also easy to install and repair. 5The heat sink is perfectly compatible for Raspberry Pi operating system, allowing easy access to most ports and slots.Do not use over voltage 1 x Fan 1 x Heat Sink 1 x Screwdriver 4 x Screw 1 x Patch 2 x Adhesive